const fs=require('fs');
const express=require('express');
const morgan=require('morgan');
const app=express();
const writeStream=fs.createWriteStream('./logs/access.log',{flags:'a'});
app.use(morgan('combined',{stream:writeStream}));
app.post('/login',(req,res,next)=>{
    res.end('登录成功，欢迎回来~');
    });
app.listen(9000,()=>{
        console.log('express服务器启动成功~');
    });